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version 1.3, 2000/11/21 22:57:53 version 1.46, 2002/03/19 19:55:52
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments  # Handler to set parameters for assessments
 #  #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
 # (Handler to resolve ambiguous file locations  # (Handler to resolve ambiguous file locations
 #  #
 # (TeX Content Handler  # (TeX Content Handler
 #  #
   # YEAR=2000
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)  # 05/29/00,05/30,10/11 Gerd Kortemeyer)
 #  #
 # 10/11,10/12,10/16 Gerd Kortemeyer)  # 10/11,10/12,10/16 Gerd Kortemeyer)
 #  #
 # 11/20,11/21 Gerd Kortemeyer  # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
   # 12/08,12/12,
   # YEAR=2001
   # 16/01/01,02/08,03/20,03/23,03/24,03/26,05/09,
   # 07/05,07/06,08/08,08/09,09/01,09/21 Gerd Kortemeyer
   # 12/17 Scott Harrison
   # 12/19 Guy Albertelli
   # 12/26,12/27 Gerd Kortemeyer
   #
   ###
   
 package Apache::lonparmset;  package Apache::lonparmset;
   
 use strict;  use strict;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::Constants qw(:common :http REDIRECT);  use Apache::Constants qw(:common :http REDIRECT);
   use Apache::loncommon;
 use GDBM_File;  use GDBM_File;
   
   
 my %courseopt;  my %courseopt;
 my %useropt;  my %useropt;
 my %bighash;  
 my %parmhash;  my %parmhash;
   
 my @ids;  my @ids;
 my %symbp;  my %symbp;
   my %mapp;
 my %typep;  my %typep;
   my %keyp;
   
 my $uname;  my $uname;
 my $udom;  my $udom;
 my $uhome;  my $uhome;
   
 my $csec;  my $csec;
   
 my $fcat;  
   
 # -------------------------------------------- Figure out a cascading parameter  # -------------------------------------------- Figure out a cascading parameter
   
 sub parmval {  sub parmval {
     my ($what,$id)=@_;      my ($what,$id,$def)=@_;
       my $result='';
       my @outpar=();
 # ----------------------------------------------------- Cascading lookup scheme  # ----------------------------------------------------- Cascading lookup scheme
        my $symbparm=$symbp{$id}.'.'.$what;  
        my $reslevel=  
     $ENV{'request.course.id'}.'.'.$symbparm;  
        my $seclevel=  
             $ENV{'request.course.id'}.'.'.  
  $ENV{'request.course.sec'}.'.'.$what;  
        my $courselevel=  
             $ENV{'request.course.id'}.'.'.$what;  
   
 # ----------------------------------------------------------- first, check user  
   
       if ($uname) {  
        if ($useropt{$reslevel}) { return $useropt{$reslevel}; }  
        if ($useropt{$seclevel}) { return $useropt{$seclevel}; }  
        if ($useropt{$courselevel}) { return $useropt{$courselevel}; }  
       }  
   
 # -------------------------------------------------------- second, check course  
   
        if ($courseopt{$reslevel}) { return $courseopt{$reslevel}; }  
        if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }    
        if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }  
   
 # ------------------------------------------------------ third, check map parms  
   
        my $thisparm=$parmhash{$symbparm};  
        if ($thisparm) { return $thisparm; }  
        
 # --------------------------------------------- last, look in resource metadata  
   
         my $filename='/home/httpd/res/'.$bighash{'src_'.$id}.'.meta';  
         if (-e $filename) {  
             my @content;  
             {  
              my $fh=Apache::File->new($filename);  
              @content=<$fh>;  
             }  
             if (join('',@content)=~  
                  /\<$what[^\>]*\>([^\<]*)\<\/$what\>/) {  
         return $1;  
      }  
         }  
     return '';  
 }  
   
 # ---------------------------------------------------------------- Sort routine      my $symbparm=$symbp{$id}.'.'.$what;
       my $mapparm=$mapp{$id}.'___(all).'.$what;
   
 sub bycat {      my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$what;
     if ($fcat eq '') {      my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
         $a<=>$b;      my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
     } else {  
         &parmval('0.'.$fcat,$a)<=>&parmval('0.'.$fcat,$b);      my $courselevel=$ENV{'request.course.id'}.'.'.$what;
       my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
       my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
   
   # -------------------------------------------------------- first, check default
   
       if ($def) { $outpar[11]=$def; $result=11; }
   
   # ----------------------------------------------------- second, check map parms
   
       my $thisparm=$parmhash{$symbparm};
       if ($thisparm) { $outpar[10]=$thisparm; $result=10; }
   
   # --------------------------------------------------------- third, check course
   
       if ($courseopt{$courselevel}) {
    $outpar[9]=$courseopt{$courselevel};
    $result=9;
       }
   
       if ($courseopt{$courselevelm}) {
    $outpar[8]=$courseopt{$courselevelm};
    $result=8;
       }
   
       if ($courseopt{$courselevelr}) {
    $outpar[7]=$courseopt{$courselevelr};
    $result=7;
     }      }
   
       if ($csec) {
           if ($courseopt{$seclevel}) {
       $outpar[6]=$courseopt{$seclevel};
       $result=6;
    }
           if ($courseopt{$seclevelm}) {
       $outpar[5]=$courseopt{$seclevelm};
       $result=5;
    }
   
           if ($courseopt{$seclevelr}) {
       $outpar[4]=$courseopt{$seclevelr};
       $result=4;
    }
       }
   
   # ---------------------------------------------------------- fourth, check user
   
       if ($uname) {
    if ($useropt{$courselevel}) {
       $outpar[3]=$useropt{$courselevel};
       $result=3;
    }
   
    if ($useropt{$courselevelm}) {
       $outpar[2]=$useropt{$courselevelm};
       $result=2;
    }
   
    if ($useropt{$courselevelr}) {
       $outpar[1]=$useropt{$courselevelr};
       $result=1;
    }
       }
   
       return ($result,@outpar);
 }  }
   
 # ================================================================ Main Handler  # ------------------------------------------------------------ Output for value
   
 sub handler {  sub valout {
    my $r=shift;      my ($value,$type)=@_;
       return ($value?(($type=~/^date/)?localtime($value):$value):'&nbsp;&nbsp;');
   }
   
    if ($r->header_only) {  # -------------------------------------------------------- Produces link anchor
       $r->content_type('text/html');  
       $r->send_http_header;  
       return OK;  
    }  
   
 # ----------------------------------------------------- Needs to be in a course  sub plink {
       my ($type,$dis,$value,$marker,$return,$call)=@_;
       my $winvalue=$value;
       unless ($winvalue) {
    if ($type=~/^date/) {
               $winvalue=$ENV{'form.recent_'.$type};
           } else {
               $winvalue=$ENV{'form.recent_'.(split(/\_/,$type))[0]};
           }
       }
       return 
    '<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
       .$marker."','".$return."','".$call."'".');">'.
    &valout($value,$type).'</a><a name="'.$marker.'"></a>';
   }
   
    if (($ENV{'request.course.fn'}) &&   
        (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {  
 # -------------------------------------------------------- Variable declaration  
   
       %courseopt=();  sub startpage {
       %useropt=();      my ($r,$id,$udom,$csec,$uname)=@_;
       %bighash=();      $r->content_type('text/html');
       $r->send_http_header;
       @ids=();      $r->print(<<ENDHEAD);
       %symbp=();  <html>
       %typep=();  <head>
   <title>LON-CAPA Course Parameters</title>
       $uname=$ENV{'form.uname'};  <script>
       $udom=$ENV{'form.udom'};  
       unless ($udom) { $uname=''; }      function pclose() {
       $uhome='';          parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
       my $message='';                   "height=350,width=350,scrollbars=no,menubar=no");
       if ($uname) {          parmwin.close();
   $uhome=&Apache::lonnet::homeserver($uname,$udom);      }
       }  
       if ($uhome eq 'no_host') {   
           $message=  
          "<h3><font color=red>Unknown User $uname at Domain $udom</font></h3>";  
           $uname='';   
       }  
   
       $csec=$ENV{'form.csec'};  
       unless ($csec) { $csec=''; }  
       $fcat=$ENV{'form.fcat'};  
       unless ($fcat) { $fcat=''; }  
   
 # ------------------------------------------------------------------- Tie hashs      function pjump(type,dis,value,marker,ret,call) {
       if ((tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',          document.parmform.pres_marker.value='';
                        &GDBM_READER,0640)) &&          parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
           (tie(%parmhash,'GDBM_File',                   +"&value="+escape(value)+"&marker="+escape(marker)
            $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {                   +"&return="+escape(ret)
                    +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
                    "height=350,width=350,scrollbars=no,menubar=no");
   
 # -------------------------------------------------------------- Get coursedata      }
         my $reply=&Apache::lonnet::reply('dump:'.  
               $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.      function psub() {
               $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata',          pclose();
               $ENV{'course.'.$ENV{'request.course.id'}.'.home'});          if (document.parmform.pres_marker.value!='') {
         if ($reply!~/^error\:/) {              document.parmform.action+='#'+document.parmform.pres_marker.value;
            map {              var typedef=new Array();
              my ($name,$value)=split(/\=/,$_);              typedef=document.parmform.pres_type.value.split('_');
              $courseopt{unescape($name)}=unescape($value);               if (document.parmform.pres_type.value!='') {
            } split(/\&/,$reply);              if (typedef[0]=='date') {
                   eval('document.parmform.recent_'+
                        document.parmform.pres_type.value+
        '.value=document.parmform.pres_value.value;');
               } else {
                   eval('document.parmform.recent_'+typedef[0]+
        '.value=document.parmform.pres_value.value;');
               }
      }
               document.parmform.submit();
           } else {
               document.parmform.pres_value.value='';
               document.parmform.pres_marker.value='';
         }          }
 # --------------------------------------------------- Get userdata (if present)      }
         if ($uname) {  
            my $reply=  </script>
        &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);  </head>
            if ($reply!~/^error\:/) {  <body bgcolor="#FFFFFF" onUnload="pclose()">
               map {  <h1>Set Course Parameters</h1>
                 my ($name,$value)=split(/\=/,$_);  <form method="post" action="/adm/parmset" name="envform">
                 $useropt{unescape($name)}=unescape($value);    <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
               } split(/\&/,$reply);  <h3>Course Environment</h3>
            }  <input type="submit" name="crsenv" value="Set Course Environment">
   </form>
   <form method="post" action="/adm/parmset" name="parmform">
   <h3>Course Assessments</h3>
   <b>
   Section/Group:
   <input type="text" value="$csec" size="6" name="csec">
   <br>
   For User 
   <input type="text" value="$uname" size="12" name="uname">
   or ID
   <input type="text" value="$id" size="12" name="id"> 
   at Domain 
   <input type="text" value="$udom" size="6" name="udom">
   </b>
   <input type="hidden" value='' name="pres_value">
   <input type="hidden" value='' name="pres_type">
   <input type="hidden" value='' name="pres_marker">
   ENDHEAD
   
   }
   
   sub print_row {
       my ($r,$which,$part,$name,$rid,$default,$type,$display,$defbgone,
    $defbgtwo)=@_;
       my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
     $rid,$$default{$which});
       $r->print("<td bgcolor=".$defbgtwo.
         '>'.$$part{$which}.'</td><td bgcolor='.$defbgone.
         '>'.$$display{$which}.'</td>');
       my $thismarker=$which;
       $thismarker=~s/^parameter\_//;
       my $mprefix=$rid.'&'.$thismarker.'&';
   
       &print_td($r,11,'#FFDDDD',$result,\@outpar,$mprefix,$_,$type,$display);
       &print_td($r,10,'#FFDDDD',$result,\@outpar,$mprefix,$_,$type,$display);
       &print_td($r,9,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
       &print_td($r,8,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
       &print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
       if ($csec) {
    &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,$type,$display);
    &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,$type,$display);
    &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,$type,$display);
       }
       if ($uname) {
    &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
    &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
    &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
       }
       $r->print('<td bgcolor=#CCCCFF>'.&valout($outpar[$result],$$type{$which}).'</td>');
       my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
    '.'.$$name{$which},$symbp{$rid});
       $r->print('<td bgcolor=#999999><font color=#FFFFFF>'.
         &valout($sessionval,$$type{$which}).'&nbsp;'.
         '</font></td>');
       $r->print('</tr>');
   }
   
   sub print_td {
       my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$type,$display)=@_;
       $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).'>'.
         &plink($$type{$value},$$display{$value},$$outpar[$which],
        $mprefix."$which",'parmform.pres','psub').'</td>');
   }
   
   sub assessparms {
   
       my $r=shift;
   # -------------------------------------------------------- Variable declaration
       my %allkeys;
       my %allmaps;
       my %defp;
       %courseopt=();
       %useropt=();
       my %bighash=();
   
       @ids=();
       %symbp=();
       %typep=();
   
       my $message='';
   
       $csec=$ENV{'form.csec'};
       $udom=$ENV{'form.udom'};
       unless ($udom) { $udom=$r->dir_config('lonDefDomain'); }
   
       my $pscat=$ENV{'form.pscat'};
       my $pschp=$ENV{'form.pschp'};
       my $pssymb='';
   
   # ----------------------------------------------- Was this started from grades?
   
       if (($ENV{'form.command'} eq 'set') && ($ENV{'form.url'})
    && (!$ENV{'form.dis'})) {
    my $url=$ENV{'form.url'};
    $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
    $pssymb=&Apache::lonnet::symbread($url);
    $pscat='all';
    $pschp='';
       } elsif ($ENV{'form.symb'}) {
    $pssymb=$ENV{'form.symb'};
    $pscat='all';
    $pschp='';
       } else {
    $ENV{'form.url'}='';
       }
   
       my $id=$ENV{'form.id'};
       if (($id) && ($udom)) {
    $uname=(&Apache::lonnet::idget($udom,$id))[1];
    if ($uname) {
       $id='';
    } else {
       $message=
    "<font color=red>Unknown ID '$id' at domain '$udom'</font>";
    }
       } else {
    $uname=$ENV{'form.uname'};
       }
       unless ($udom) { $uname=''; }
       $uhome='';
       if ($uname) {
    $uhome=&Apache::lonnet::homeserver($uname,$udom);
           if ($uhome eq 'no_host') {
       $message=
    "<font color=red>Unknown user '$uname' at domain '$udom'</font>";
       $uname='';
           } else {
       $csec=&Apache::lonnet::usection($udom,$uname,
       $ENV{'request.course.id'});
       if ($csec eq '-1') {
    $message="<font color=red>".
       "User '$uname' at domain '$udom' not ".
                       "in this course</font>";
    $uname='';
    $csec=$ENV{'form.csec'};
       } else {
    my %name=&Apache::lonnet::userenvironment($udom,$uname,
         ('firstname','middlename','lastname','generation','id'));
    $message="\n<p>\nFull Name: ".
       $name{'firstname'}.' '.$name{'middlename'}.' '
    .$name{'lastname'}.' '.$name{'generation'}.
       "<br>\nID: ".$name{'id'}.'<p>';
       }
         }          }
       }
   
       unless ($csec) { $csec=''; }
   
       my $fcat=$ENV{'form.fcat'};
       unless ($fcat) { $fcat=''; }
   
   # ------------------------------------------------------------------- Tie hashs
       if (!(tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
         &GDBM_READER,0640))) {
    $r->print("Unable to access course data. (File $ENV{'request.course.fn'}.db not tieable)");
    return ;
       }
       if (!(tie(%parmhash,'GDBM_File',
         $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
    $r->print("Unable to access parameter data. (File $ENV{'request.course.fn'}_parms.db not tieable)");
    return ;
       }
 # --------------------------------------------------------- Get all assessments  # --------------------------------------------------------- Get all assessments
         map {      foreach (keys %bighash) {
     if ($_=~/^src\_(\d+)\.(\d+)$/) {   if ($_=~/^src\_(\d+)\.(\d+)$/) {
        my $mapid=$1;      my $mapid=$1;
                my $resid=$2;      my $resid=$2;
                my $id=$mapid.'.'.$resid;      my $id=$mapid.'.'.$resid;
                if ($bighash{$_}=~/\.(problem|exam|quiz|assess|survey|form)$/) {      my $srcf=$bighash{$_};
    $ids[$#ids+1]=$id;      if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
                    $typep{$id}=$1;   $ids[$#ids+1]=$id;
                    $symbp{$id}=   $typep{$id}=$1;
     &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).   $keyp{$id}='';
    foreach (split(/\,/,
          &Apache::lonnet::metadata($srcf,'keys'))) {
       if ($_=~/^parameter\_(.*)/) {
    my $key=$_;
    my $allkey=$1;
    $allkey=~s/\_/\./;
    my $display=
       &Apache::lonnet::metadata($srcf,$key.'.display');
    unless ($display) {
       $display=
    &Apache::lonnet::metadata($srcf,$key.'.name');
    }
    $allkeys{$allkey}=$display;
    if ($allkey eq $fcat) {
       $defp{$id}=
    &Apache::lonnet::metadata($srcf,$key);
    }
    if ($keyp{$id}) {
       $keyp{$id}.=','.$key;
    } else {
       $keyp{$id}=$key;
    }
       }
    }
    $mapp{$id}=
       &Apache::lonnet::declutter($bighash{'map_id_'.$mapid});
    $allmaps{$mapid}=$mapp{$id};
    $symbp{$id}=$mapp{$id}.
  '___'.$resid.'___'.   '___'.$resid.'___'.
     &Apache::lonnet::declutter($bighash{$_});      &Apache::lonnet::declutter($srcf);
        }      }
             }   }
         } keys %bighash;      }
   # ---------------------------------------------------------- Anything to store?
       if ($ENV{'form.pres_marker'}) {
    my ($sresid,$spnam,$snum)=split(/\&/,$ENV{'form.pres_marker'});
    $spnam=~s/\_([^\_]+)$/\.$1/;
   # ---------------------------------------------------------- Construct prefixes
   
    my $symbparm=$symbp{$sresid}.'.'.$spnam;
    my $mapparm=$mapp{$sresid}.'___(all).'.$spnam;
   
    my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$spnam;
    my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
    my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
   
    my $courselevel=$ENV{'request.course.id'}.'.'.$spnam;
    my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
    my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
   
    my $storeunder='';
    if (($snum==9) || ($snum==3)) { $storeunder=$courselevel; }
    if (($snum==8) || ($snum==2)) { $storeunder=$courselevelm; }
    if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
    if ($snum==6) { $storeunder=$seclevel; }
    if ($snum==5) { $storeunder=$seclevelm; }
    if ($snum==4) { $storeunder=$seclevelr; }
   
           my %storecontent = ($storeunder        => $ENV{'form.pres_value'},
                               $storeunder.'type' => $ENV{'form.pres_type'});
    my $reply='';
    if ($snum>3) {
   # ---------------------------------------------------------------- Store Course
   #
   # Expire sheets
       &Apache::lonnet::expirespread('','','studentcalc');
       if (($snum==7) || ($snum==4)) {
    &Apache::lonnet::expirespread('','','assesscalc',$symbp{$sresid});
       } elsif (($snum==8) || ($snum==5)) {
    &Apache::lonnet::expirespread('','','assesscalc',$mapp{$sresid});
       } else {
    &Apache::lonnet::expirespread('','','assesscalc');
       }
   # Store parameter
               $reply=&Apache::lonnet::cput
                   ('resourcedata',\%storecontent,
                    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
    } else {
   # ------------------------------------------------------------------ Store User
   #
   # Expire sheets
       &Apache::lonnet::expirespread($uname,$udom,'studentcalc');
       if ($snum==1) {
    &Apache::lonnet::expirespread
       ($uname,$udom,'assesscalc',$symbp{$sresid});
       } elsif ($snum==2) {
    &Apache::lonnet::expirespread
       ($uname,$udom,'assesscalc',$mapp{$sresid});
       } else {
    &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
       }
   # Store parameter
       $reply=&Apache::lonnet::cput
                   ('resourcedata',\%storecontent,$udom,$uname);
    }
   
    if ($reply=~/^error\:(.*)/) {
       $message.="<font color=red>Write Error: $1</font>";
    }
   # ---------------------------------------------------------------- Done storing
       }
   # -------------------------------------------------------------- Get coursedata
       %courseopt = &Apache::lonnet::dump
           ('resourcedata',
            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
            $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   # --------------------------------------------------- Get userdata (if present)
       if ($uname) {
           %useropt=&Apache::lonnet::dump('resourcedata',$udom,$uname);
       }
   
 # ------------------------------------------------------------------- Sort this  # ------------------------------------------------------------------- Sort this
          @ids=sort bycat @ids;  
       @ids=sort  {
    if ($fcat eq '') {
       $a<=>$b;
    } else {
       my ($result,@outpar)=&parmval($fcat,$a,$defp{$a});
       my $aparm=$outpar[$result];
       ($result,@outpar)=&parmval($fcat,$b,$defp{$b});
       my $bparm=$outpar[$result];
       1*$aparm<=>1*$bparm;
    }
       } @ids;
   
 # ------------------------------------------------------------------ Start page  # ------------------------------------------------------------------ Start page
          $r->content_type('text/html');      &startpage($r,$id,$udom,$csec,$uname);
          $r->send_http_header;  #    if ($ENV{'form.url'}) {
  $r->print(  # $r->print('<input type="hidden" value="'.$ENV{'form.url'}.
   '<html><body bgcolor="#FFFFFF"><h1>Set Assessment Parameters</h1>');  #  '" name="url"><input type="hidden" name="command" value="set">');
  $r->print("<h2>Course: $ENV{'course.'.  #    }
                    $ENV{'request.course.id'}.'.description'}</h2>");      foreach ('tolerance','date_default','date_start','date_end',
  if ($csec) {       'date_interval','int','float','string') {
             $r->print("<h3>Section/Group: $csec</h3>");   $r->print('<input type="hidden" value="'.
  }    $ENV{'form.recent_'.$_}.'" name="recent_'.$_.'">');
  if ($uname) {      }
             $r->print("<h3>For User $uname at Domain $udom");  
  }      $r->print('<h2>'.$message.'</h2><table><tr><td>Sort list by</td><td>');
  if ($uhome eq 'no_host') {      $r->print('<select name="fcat">');
             $r->print($message);      $r->print('<option value="">Enclosing Map</option>');
          }      foreach (reverse sort keys %allkeys) {
   map {   $r->print('<option value="'.$_.'"');
      $r->print($_.'<br>');   if ($fcat eq $_) { $r->print(' selected'); }
  } @ids;   $r->print('>'.$allkeys{$_}.'</option>');
          $r->print('</body></html>');      }
          untie(%bighash);      if (!$pssymb) {
  untie(%parmhash);   $r->print('</select></tr><tr><td>Select Enclosing Map</td><td><select name=pschp>');
       }   $r->print('<option value=all>All Maps</option>');
    } else {   foreach (keys %allmaps) {
       $r->print('<option value="'.$_.'"');
       if (($pssymb=~/^$allmaps{$_}/) || 
    ($pschp eq $_)) { $r->print(' selected'); }
       $r->print('>'.$allmaps{$_}.'</option>');
    }
       } else {
    my ($map,$id,$resource)=split(/___/,$pssymb);
    $r->print('<tr><td>Specfic Resource</td><td>&nbsp;</td></tr>');
    $r->print('<input type="hidden" value="'.$pssymb.'" name="symb">');
       }
       $r->print('</select></td></tr><tr><td>Select Parameter</td><td><select name=pscat>');
       $r->print('<option value=all>All Parameters</option>');
       foreach (reverse sort keys %allkeys) {
    $r->print('<option value="'.$_.'"');
    if ($pscat eq $_) { $r->print(' selected'); }
    $r->print('>'.$allkeys{$_}.'</option>');
       }
       $r->print('</select></td></tr></table><br><input name=dis type="submit" value="Display">');
       if (($pscat) || ($pschp) || ($pssymb)) {
   # ----------------------------------------------------------------- Start Table
    my $catmarker='parameter_'.$pscat;
    $catmarker=~s/\./\_/g;
    my $coursespan=$csec?8:5;
    my $csuname=$ENV{'user.name'};
    my $csudom=$ENV{'user.domain'};
    $r->print(<<ENDTABLEHEAD);
   <p><table border=2>
   <tr><td colspan=5></td>
   <th colspan=$coursespan>Any User</th>
   ENDTABLEHEAD
    if ($uname) {
       $r->print("<th colspan=3 rowspan=2>User $uname at Domain $udom</th>");
    }
    $r->print(<<ENDTABLETWO);
   <th rowspan=3>Parameter in Effect</th>
   <th rowspan=3>Current Session Value<br>($csuname at $csudom)</th>
   </tr><tr><td colspan=5></td>
   <th colspan=2>Resource Level</th>
   <th colspan=3>in Course</th>
   ENDTABLETWO
    if ($csec) {
       $r->print("<th colspan=3>in Section/Group $csec</th>");
    }
    $r->print(<<ENDTABLEHEADFOUR);
   </tr><tr><th>Assessment URL and Title</th><th>Type</th>
   <th>Enclosing Map</th><th>Part No.</th><th>Parameter Name</th>
   <th>default</th><th>from Enclosing Map</th>
   <th>general</th><th>for Enclosing Map</th><th>for Resource</th>
   ENDTABLEHEADFOUR
    if ($csec) {
       $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
    }
    if ($uname) {
       $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
    }
    $r->print('</tr>');
    my $defbgone='';
    my $defbgtwo='';
    foreach (@ids) {
       my $rid=$_;
       my ($inmapid)=($rid=~/\.(\d+)$/);
       if (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid}) ||
    ($pssymb eq $symbp{$rid})) {
   # ------------------------------------------------------ Entry for one resource
    if ($defbgone eq '"E0E099"') {
       $defbgone='"E0E0DD"';
    } else {
       $defbgone='"E0E099"';
    }
    if ($defbgtwo eq '"FFFF99"') {
       $defbgtwo='"FFFFDD"';
    } else {
       $defbgtwo='"FFFF99"';
    }
    my $thistitle='';
    my %name=   ();
    undef %name;
    my %part=   ();
    my %display=();
    my %type=   ();
    my %default=();
    my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
   
    foreach (split(/\,/,$keyp{$rid})) {
       if (($_ eq $catmarker) || ($pscat eq 'all')) {
    $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
    $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
    $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
    unless ($display{$_}) { $display{$_}=''; }
    $display{$_}.=' ('.$name{$_}.')';
    $default{$_}=&Apache::lonnet::metadata($uri,$_);
    $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
    $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
       }
    }
    my $totalparms=scalar keys %name;
    if ($totalparms>0) {
       my $firstrow=1;
       $r->print('<tr><td bgcolor='.$defbgone.
         ' rowspan='.$totalparms.'><tt><font size=-1>'.
         join(' / ',split(/\//,$uri)).
         '</font></tt><p><b>'.
         $bighash{'title_'.$rid});
       if ($thistitle) {
    $r->print(' ('.$thistitle.')');
       }
       $r->print('</b></td>');
       $r->print('<td bgcolor='.$defbgtwo.
         ' rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
       $r->print('<td bgcolor='.$defbgone.
         ' rowspan='.$totalparms.'><tt><font size=-1>'.
         join(' / ',split(/\//,$mapp{$rid})).'</font></tt></td>');
       foreach (sort keys %name) {
    unless ($firstrow) {
       $r->print('<tr>');
    } else {
       $firstrow=0;
    }
    &print_row($r,$_,\%part,\%name,$rid,\%default,
      \%type,\%display,$defbgone,$defbgtwo);
       }
    }
   # -------------------------------------------------- End entry for one resource
       }
    }
    $r->print('</table>');
       }
       $r->print('</form></body></html>');
       untie(%bighash);
       untie(%parmhash);
   }
   
   # Set course environment parameters
   sub crsenv {
       my $r=shift;
       my $setoutput='';
       my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
   # -------------------------------------------------- Go through list of changes
       foreach (keys %ENV) {
    if ($_=~/^form\.(.+)\_setparmval$/) {
               my $name=$1;
               my $value=$ENV{'form.'.$name.'_value'};
               if ($name eq 'newp') {
                   $name=$ENV{'form.newp_name'};
               }
               if ($name eq 'url') {
    $value=~s/^\/res\///;
                   my @tmp = &Apache::lonnet::get
                       ('environment',['url'],$dom,$crs);
                   $setoutput.='Backing up previous URL: '.
                       &Apache::lonnet::put
                           ('environment',
                            {'top level map backup ' => $tmp[1] },
                            $dom,$crs).
                       '<br>';
               }
               if ($name) {
                   $setoutput.='Setting <tt>'.$name.'</tt> to <tt>'.
                       $value.'</tt>: '.
                       &Apache::lonnet::put
                               ('environment',{$name=>$value},$dom,$crs).
                       '<br>';
       }
           }
       }
   # -------------------------------------------------------- Get parameters again
   
       my %values=&Apache::lonnet::dump('environment',$dom,$crs);
       my $output='';
       if (! exists($values{'con_lost'})) {
           my %descriptions=
       ('url'            => '<b>Top Level Map</b>'.
                                    '<a href="javascript:openbrowser'.
                                    "('envform','url')\">".
                                    'Browse</a><br><font color=red> '.
                                    'Modification may make assessment data '.
                                    'inaccessible</font>',
                'description'    => '<b>Course Description</b>',
                'courseid'       => '<b>Course ID or number</b><br>'.
                                    '(internal, optional)',
                'question.email' => '<b>Feedback Addresses for Content '.
                                    'Questions</b><br>(<tt>user:domain,'.
                                    'user:domain,...</tt>)',
                'comment.email'  => '<b>Feedback Addresses for Comments</b><br>'.
                                    '(<tt>user:domain,user:domain,...</tt>)',
                'policy.email'   => '<b>Feedback Addresses for Course Policy</b>'.
                                    '<br>(<tt>user:domain,user:domain,...</tt>)',
                'hideemptyrows'  => '<b>Hide Empty Rows in Spreadsheets</b><br>'.
                                    '("<tt>yes</tt>" for default hiding)',
                'pch.roles.denied'=> '<b>Disallow Resource Discussion for '.
                                     'Students</b><br>"<tt>st</tt>": '.
                                     'student, "<tt>ta</tt>": '.
                                     'TA, "<tt>in</tt>": '.
                                     'instructor;<br><tt>role,role,...</tt>)'
                );
    foreach (keys(%values)) {
       unless ($descriptions{$_}) {
    $descriptions{$_}=$_;
       }
    }
    foreach (sort keys %descriptions) {
       $output.='<tr><td>'.$descriptions{$_}.'</td><td><input name="'.
    $_.'_value" size=40 value="'.
    $values{$_}.'"></td><td><input type=checkbox name="'.
    $_.'_setparmval"></td></tr>';
    }
    $output.='<tr><td><i>Create New Environment Variable</i><br>'.
       '<input type="text" size=40 name="newp_name"  ></td><td>'.
               '<input type="text" size=40 name="newp_value" ></td><td>'.
       '<input type="checkbox" name="newp_setparmval"></td></tr>';
       }
       $r->print(<<ENDENV);
   <html>
   <script type="text/javascript" language="Javascript" >
       var editbrowser;
       function openbrowser(formname,elementname) {
           var url = '/res/?';
           if (editbrowser == null) {
               url += 'launch=1&';
           }
           url += 'catalogmode=interactive&';
           url += 'mode=parmset&';
           url += 'form=' + formname + '&';
           url += 'element=' + elementname + '';
           var title = 'Browser';
           var options = 'scrollbars=1,resizable=1,menubar=0';
           options += ',width=700,height=600';
           editbrowser = open(url,title,options,'1');
           editbrowser.focus();
       }
   </script>
   <head>
   <title>LON-CAPA Course Environment</title>
   </head>
   <body bgcolor="#FFFFFF">
   <h1>Set Course Parameters</h1>
   <form method="post" action="/adm/parmset" name="envform">
   <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
   <h3>Course Environment</h3>
   $setoutput
   <p>
   <table border=2>
   <tr><th>Parameter</th><th>Value</th><th>Set?</th></tr>
   $output
   </table>
   <input type="submit" name="crsenv" value="Set Course Environment">
   </form>
   </body>
   </html>    
   ENDENV
   }
   
   # ================================================================ Main Handler
   
   sub handler {
       my $r=shift;
   
       if ($r->header_only) {
    $r->content_type('text/html');
    $r->send_http_header;
    return OK;
       }
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
   # ----------------------------------------------------- Needs to be in a course
   
       if (($ENV{'request.course.id'}) && 
    (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
   
    unless (($ENV{'form.crsenv'}) || (!$ENV{'request.course.fn'})) {
   # --------------------------------------------------------- Bring up assessment
       &assessparms($r);
   # ---------------------------------------------- This is for course environment
    } else {
       &crsenv($r);
    }
       } else {
 # ----------------------------- Not in a course, or not allowed to modify parms  # ----------------------------- Not in a course, or not allowed to modify parms
       $ENV{'user.error.msg'}=   $ENV{'user.error.msg'}=
         "/adm/flip:opa:0:0:Cannot modify assessment parameters";      "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
       return HTTP_NOT_ACCEPTABLE;    return HTTP_NOT_ACCEPTABLE;
    }      }
    return OK;      return OK;
 }  }
   
 1;  1;
 __END__  __END__
   
   
   =head1 NAME
   
   Apache::lonparmset - Handler to set parameters for assessments
   
   =head1 SYNOPSIS
   
   Invoked by /etc/httpd/conf/srm.conf:
   
    <Location /adm/parmset>
    PerlAccessHandler       Apache::lonacc
    SetHandler perl-script
    PerlHandler Apache::lonparmset
    ErrorDocument     403 /adm/login
    ErrorDocument     406 /adm/roles
    ErrorDocument  500 /adm/errorhandler
    </Location>
   
   =head1 INTRODUCTION
   
   This module sets assessment parameters.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 HANDLER SUBROUTINE
   
   This routine is called by Apache and mod_perl.
   
   =over 4
   
   =item *
   
   need to be in course
   
   =item *
   
   bring up assessment screen or course environment
   
   =back
   
   =head1 OTHER SUBROUTINES
   
   =over 4
   
   =item *
   
   parmval() : figure out a cascading parameter
   
   =item *
   
   valout() : format a value for output
   
   =item *
   
   plink() : produces link anchor
   
   =item *
   
   assessparms() : show assess data and parameters
   
   =item *
   
   crsenv() : for the course environment
   
   =back
   
   =cut
   
   
   
Removed from v.1.3  
changed lines
  Added in v.1.46

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